code: def get_example(self, i):
      img, bbox, label = super(InvalidBboxDataset, self).get_example(i)[
          :3
      ]
      bbox += 1000
      return img, bbox, label
  
imports: import numpy
  import unittest
  from chainer.dataset import DatasetMixin
  from chainercv.utils import assert_is_bbox_dataset
  from chainercv.utils import generate_random_bbox
  from chainercv.utils import testing
label_desc: Use image node_id 1 for calling the InvalidBboxDataset obj's underlying member method code with example usage: obj.get_example(i) and returns: img,  bbox,  label